The latest details follow rumours in late 2017 that the company was in negotiations with developer Argent to develop its London headquarters at King’s Cross. Argent would not verify the reports.

Facebook is “immune to Brexit”

The Times’ source speculated that the new campus would be used as “growth space”, rather than to relocate existing employees in London.

“They simply do not have the people to put in there yet — it’s growth space. These guys are immune to Brexit and they need to be in London because that’s where the talent is. It’s about the availability of buildings that can be delivered to their timetable in a cool location,” a source told The Times.